DE19983344T1 - Effizienter lauflängenbegrenzter Code mit einer kurzen verschachtelten Randbedingung - Google Patents

Effizienter lauflängenbegrenzter Code mit einer kurzen verschachtelten Randbedingung

Info

Publication number
DE19983344T1
DE19983344T1 DE19983344T DE19983344T DE19983344T1 DE 19983344 T1 DE19983344 T1 DE 19983344T1 DE 19983344 T DE19983344 T DE 19983344T DE 19983344 T DE19983344 T DE 19983344T DE 19983344 T1 DE19983344 T1 DE 19983344T1
Authority
DE
Germany
Prior art keywords
run length
length limited
limited code
efficient run
nested constraint
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
DE19983344T
Other languages
English (en)
Other versions
DE19983344B4 (de
Inventor
Kinhing Paul Tsang
Bernardo Rub
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seagate Technology LLC
Original Assignee
Seagate Technology LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Seagate Technology LLC filed Critical Seagate Technology LLC
Publication of DE19983344T1 publication Critical patent/DE19983344T1/de
Application granted granted Critical
Publication of DE19983344B4 publication Critical patent/DE19983344B4/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/14—Digital recording or reproducing using self-clocking codes
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/14—Digital recording or reproducing using self-clocking codes
    • G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
    • G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
    • G11B20/1426—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE19983344T 1998-06-24 1999-06-10 Effizienter lauflängenbegrenzter Code mit einer kurzen verschachtelten Randbedingung Expired - Fee Related DE19983344B4 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US9054698P 1998-06-24 1998-06-24
US60/090,546 1998-06-24
US09/330,114 US6198582B1 (en) 1998-06-24 1999-06-10 Efficient run length limited code with short interleaved constraint
US09/330,114 1999-06-10
PCT/US1999/013126 WO1999067784A1 (en) 1998-06-24 1999-06-10 Efficient run length limited code with short interleaved constraint

Publications (2)

Publication Number Publication Date
DE19983344T1 true DE19983344T1 (de) 2002-07-11
DE19983344B4 DE19983344B4 (de) 2005-02-10

Family

ID=26782398

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19983344T Expired - Fee Related DE19983344B4 (de) 1998-06-24 1999-06-10 Effizienter lauflängenbegrenzter Code mit einer kurzen verschachtelten Randbedingung

Country Status (7)

Country Link
US (1) US6198582B1 (de)
JP (1) JP3478800B2 (de)
KR (1) KR100406806B1 (de)
CN (1) CN1306665A (de)
DE (1) DE19983344B4 (de)
GB (1) GB2355166B (de)
WO (1) WO1999067784A1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6981197B2 (en) * 2001-01-23 2005-12-27 Seagate Technology Llc Enhanced interleave type error correction method and apparatus
GB0007781D0 (en) * 2000-03-30 2000-05-17 Sony Uk Ltd Data compression
US6480125B2 (en) * 2000-06-09 2002-11-12 Seagate Technology Llc Method and apparatus for efficient encoding of large data words at high code rates
FR2821458A1 (fr) * 2001-02-28 2002-08-30 Koninkl Philips Electronics Nv Schema, procede d'analyse syntaxique et procede de generation d'un flux binaire a partir d'un schema
GB2392069A (en) * 2001-06-09 2004-02-18 Samsung Electronics Co Ltd Rearranging codeword sequences for prioritising the mapping of bits
US6909385B2 (en) * 2001-07-09 2005-06-21 Seagate Technology Llc Method and apparatus for suppressing low frequency content in digital data
US6839004B2 (en) 2001-11-27 2005-01-04 Seagate Technology Llc High rate run length limited code
US6674375B2 (en) 2002-06-07 2004-01-06 Seagate Technology Llc Run length limited coding with minimal error propagation
GB2423402B (en) 2002-07-19 2007-01-03 Gatekeeper Systems Improvements relating to security and electronic article surveillance
WO2005020440A1 (en) * 2003-08-13 2005-03-03 Seagate Technology Llc Dc-free code design with increased distance between code words
US6897793B1 (en) * 2004-04-29 2005-05-24 Silicon Image, Inc. Method and apparatus for run length limited TMDS-like encoding of data
US7002492B2 (en) * 2004-07-07 2006-02-21 Seagate Technology Llc High rate running digital sum-restricted code
US7142134B2 (en) * 2005-02-01 2006-11-28 Hitachi Global Storage Technologies Netherlands B.V. Techniques for generating modulation codes using running substitutions
GB2506159A (en) * 2012-09-24 2014-03-26 Ibm 2 Stage RLL coding, standard coding with global/interleave constraints, then sliding window substitution with sequences having different constraints

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4707681A (en) * 1986-04-24 1987-11-17 International Business Machines Corporation Method and apparatus for implementing optimum PRML codes
NL8603164A (nl) * 1986-12-12 1988-07-01 Optical Storage Int Werkwijze voor het overdragen van n-bit informatiewoorden, informatieoverdrachtsysteem voor het uitvoeren van de werkwijze, alsmede een kodeerinrichting en dekodeerinrichting voor toepassing in het informatieoverdrachtsysteem.
US5537112A (en) * 1994-01-12 1996-07-16 Seagate Technology, Inc. Method and apparatus for implementing run length limited codes in partial response channels
US5635933A (en) * 1995-06-30 1997-06-03 Quantum Corporation Rate 16/17 (d=0,G=6/I=7) modulation code for a magnetic recording channel
US5757822A (en) * 1995-08-24 1998-05-26 Quantum Corporation Bit-interleaved rate 16/17 modulation code with three-way byte-interleaved ECC
KR19980011319U (ko) * 1996-08-19 1998-05-25 양재신 타이어의 미끄럼 방지장치
US5757294A (en) * 1996-12-31 1998-05-26 Quantum Corporation Rate 24/25 modulation code for PRML recording channels

Also Published As

Publication number Publication date
GB0031105D0 (en) 2001-01-31
GB2355166A (en) 2001-04-11
JP3478800B2 (ja) 2003-12-15
GB2355166B (en) 2003-12-31
DE19983344B4 (de) 2005-02-10
WO1999067784A1 (en) 1999-12-29
KR100406806B1 (ko) 2003-11-21
CN1306665A (zh) 2001-08-01
JP2002519799A (ja) 2002-07-02
KR20010053164A (ko) 2001-06-25
US6198582B1 (en) 2001-03-06

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8607 Notification of search results after publication
8139 Disposal/non-payment of the annual fee
8170 Reinstatement of the former position
8139 Disposal/non-payment of the annual fee
8170 Reinstatement of the former position
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee